Which Azure CLI command can you use to update an existing SQL Database?

The command to update an existing SQL Database in Azure is indeed "az sql database update." This command allows you to modify various properties of an Azure SQL Database, such as its performance level, tags, or other settings associated with the database.

Using this command is essential for database administrators who need to adjust the configuration of their Azure SQL Databases without creating new instances. By leveraging this command, the administrator can effectively manage and scale the database in response to changing workload requirements or performance considerations.

In this context, it's crucial to understand the syntax and parameters available under "az sql database update," which provide targeted adjustments to the database's operational specifics while maintaining its existing data and structure.